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stich3 [128]
2 years ago
8

-6 + x over 4=-5 what is the value of x

Mathematics
2 answers:
My name is Ann [436]2 years ago
6 0

Answer:x=26

Step-by-step explanation:

olga nikolaevna [1]2 years ago
5 0

Answer:

I am kinda good at this I think the answer is 26 correct me if I am wrong

Step-by-step

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Divide by 12 nd equal 14
ICE Princess25 [194]
170 dived by 12 is 14

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The polynomial x 3 + 5x 2 - ­57x -­189 expresses the volume, in cubic inches, of a shipping box, and the width is (x+3) in. If t
Ipatiy [6.2K]
V=x^3+5x^2-57x-189
Width: W=(x+3) in = 15 in →x+3=15
Solving for x:
x+3-3=15-3→x=12

With x=12 the Volume would be:
V=(12)^3+5(12)^2-57(12)-189
V=1,728+5(144)-684-189
V=1,728+720-684-189
V=1,575

V=W*D*H
Depth: D
Height: H
with H>D

V=1,575; W=15
Replacing in the equation above:
1,575=15*D*H
Dividing both sides by 15
1,575/15=(12*D*H)/15
105=D*H
3*5*7=D*H
D<H
If D=5→H=3*7→H=21
If D=7→H=3*5→H=15

Answer: Option <span>C. height: 21 in. depth: 5 in.
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Please, see the attached file for another form to solve the problem

4 0
3 years ago
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Help meeeeeeeeeeeeeeeeeeeeeeeee
IRINA_888 [86]

Answer:

118.75

Step-by-step explanation:

47.50 multiplied by 2.5 would equal 118.75

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3 years ago
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Angela and Michelle shared some money in the ratio 4: 9 then Angela gave Daniel half her share.Michelle gave Daniel a third of h
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Using a system of equations, it is found that £52 was originally shared.

<h3>What is a system of equations?</h3>

A system of equations is when two or more variables are related, and equations are built to find the values of each variable.

In this problem, the variables are given as follows:

  • Variable x: Angela's share.
  • Variable y: Michelle's share.
  • Variable z: Daniel's share.

Angela and Michelle shared some money in the ratio 4: 9, hence, considering t as the total:

  • x = \frac{4t}{13}.
  • y = \frac{9t}{13}

Angela gave Daniel half her share.Michelle gave Daniel a third of her share. Daniel was given a total of £20, hence:

\frac{x}{2} + \frac{y}{3} = 20

\frac{4t}{26} + \frac{9t}{39} = 20

\frac{12t + 18t}{78} = 20

30t = 20 x 78

t = 20 x 78/30

t = £52.

More can be learned about a system of equations at brainly.com/question/24342899

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5 0
2 years ago
A construction crew needs to pave a road that is 202 miles long. The crew paves 8 miles of the road each day. The length, L (in
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Answer:

A)98.  B)8

Step-by-step explanation:

A) 8x13=104

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B)202-138=64

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the crew has been paving the road for 8 days.

Hope this helps.

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